25. Avaricious, Rapacious

Avaricious: Having an extreme greed for wealth
Rapacious: Aggressively greedy or grasping

26. Fastidious, Meticulous

Fastidious: Very attentive to detail and cleanliness
Meticulous: Showing great attention to detail

27. Sycophant, Toady

Sycophant: A person who flatters for personal gain
Toady: One who behaves obsequiously toward others

28. Tenacious, Dogged

Tenacious: Holding firmly to something
Dogged: Showing persistent determination

29. Vacillate, Oscillate

Vacillate: To waver between opinions
Oscillate: To move back and forth between states

30. Placate, Appease

Placate: To calm someoneā€™s anger
Appease: To satisfy or pacify demands

31. Eloquent, Articulate

Eloquent: Fluent and persuasive in speaking
Articulate: Able to express ideas clearly

32. Parsimonious, Frugal

Parsimonious: Extremely unwilling to spend money
Frugal: Economical in use of resources

33. Ostentatious, Pretentious

Ostentatious: Designed to impress by showiness
Pretentious: Attempting to appear important

34. Ubiquitous, Omnipresent

Ubiquitous: Present everywhere
Omnipresent: Existing in all places at once

35. Cacophony, Dissonance

Cacophony: A harsh mixture of sounds
Dissonance: Lack of harmony among sounds

36. Benevolent, Benign

Benevolent: Well-meaning and kind
Benign: Gentle and not harmful